21091488 (number)

21091488 is an even 8-digits composite number following 21091487 and preceding 21091489. In scientific notation, it is written as 2.1091488 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 48 positive divisors. There are 6391040 positive integers (up to 21091488) that are relatively prime to 21091488.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand four hundred eighty-eight

Notation

Scientific notation 2.1091488 × 10^7
Engineering notation 2.1091488 × 10^6

Prime Factorization of 21091488

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 11 × 19973

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1318218
Product of the distinct prime numbers

The prime factorization of 21091488 is 2 × 2 × 2 × 2 × 2 × 3 × 11 × 19973. Since it has a total of 8 prime factors.

Most popular turbo-numbers

5, 10, 81, 55, 802, 755, 8157, 5930, 74780, 51693, 786545, 750927, 497833, 248976, 23466344, 19411833, 847725315, 229972879, 2673323634, 5320697849

Basic calculations (n = 21091488)

Multiplication

n×y
n×2 42182976
n×3 63274464
n×4 84365952
n×5 105457440

Division

n÷y
n÷2 10545744
n÷3 7030496
n÷3 5272872
n÷5 4218297.6

Exponentiation

ny
n2 444850866054144
n3 9.3825667031706E+21
n4 1.9789229302912E+29
n5 4.1738429237162E+36

Nth Root

y√n
2√n 4592.5470057475
3√n 276.29248556586
4√n 67.768333355244
5√n 29.162277887544

Divisors of 21091488

1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 19973, 39946, 59919, 79892, 119838, 159784, 219703, 239676, 319568, 439406, 479352, 639136, 659109, 878812, 958704, 1318218, 1757624, 1917408, 2636436, 3515248, 5272872, 7030496, 10545744, 21091488

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21091487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091488 can be divided by 48 positive divisors. The sum of these divisors (counting 21091488) is 1, the average is 0.020833333333333.

Base conversion 21091488

Base System Value
2 Binary 1010000011101010010100000
3 Ternary 1110200120002020
4 Quaternary 1100131102200
5 Quinary 20344411423
6 Senary 2032021440
8 Octal 120352240
10 Decimal 21091488
12 Duodecimal 7091880
16 Hexadecimal 141d4a0
20 Vigesimal 6bg8e8
36 Base36 ck2ao

Cryptographic Hash Functions

md5 17b7013ad050d1d2ff4216564201a720
sha1 d57c1a07b6b3c6a27796b6783982f8e42410c096
sha256 0908136c2486e908edc68575418a24b743f86f0ad437bcd4590fa9cce802d1e6
sha512 da7c5cdc1c1c22b8bc9b98347122af9571ada3414ef817b7db378d141929a0b4029f07c507f6f0d5084c3e6b80cf93e555848e0bc7102660ab6f47800c5377c6
ripemd-160 6a0e1e3aca2c4b089ddfcb3f7d572d53e8b0f9c5

21091488 as geometric shapes

Circle

Radius = n
Diameter 42182976
Circumference 132521727.50815
Area 1.3975402127388E+15

Sphere

Radius = n
Volume 3.9301603501996E+22
Surface area 5.590160850955E+15
Circumference 132521727.50815

Square

Length = n
Perimeter 84365952
Area 444850866054144
Diagonal 29827868.380229

Cube

Length = n
Surface area 2669105196324864
Volume 9.3825667031706E+21
Space diagonal 36531528.823229

Equilateral Triangle

Length = n
Perimeter 63274464
Area 1.926260754492E+14
Altitude 18265764.411615

Triangular Pyramid

Length = n
Surface area 1.926260754492E+14
Volume 1.1057460901245E+21
Height 9942622.7934098